Category: C

  • Cloud

    The disturbed sediment in a liquid.  

  • Clotting time

    The time taken for blood to coagulate under usual conditions. Time required for blood to clot, usually determined by observing clot formation in a small sample of blood, used to diagnose some clotting disorders and to monitor anticoagulant drug therapy. The duration required for blood coagulation is determined through laboratory examinations, wherein a blood sample…

  • Clotting factors

    Substances in plasma, called Factor I, Factor II, and so on, which act one after the other to make the blood coagulate when a blood vessel is damaged. Commonly referred to as coagulation factors, these are proteins present in the plasma that play a crucial role in initiating different stages of the blood clotting mechanism…

  • Clot

    A soft mass of coagulated blood in a vein or an artery. Clump of material formed out of the contents of a fluid, as of blood. The term applied to any semi-solid mass of blood, lymph or other body fluid. Clotting in the blood is due to the formation of strings of fibrin produced by…

  • Close

    To become covered with new tissue as part of the healing process. To fix together the sides of a wound after surgery to allow healing to take place.  

  • Clonorchiasis

    A liver condition, common in the Far East, caused by the fluke Clonorchis sinensis. A condition caused by the presence of the fluke Clonorchis sinensis in the bile ducts. The infection, common in the Far East, is acquired through eating  undercooked, salted, or pickled freshwater fish harboring the larval stage of the parasite. Symptoms include…

  • Clonic spasms

    Spasms which recur regularly. Intermittent contractions and relaxation of muscles. A variety of spasm where the involved muscle experiences swift alternations between contraction and relaxation.  

  • Cloaca

    The end part of the hindgut in an embryo. The most posterior part of the embryonic hindgut. It becomes divided into the rectum and the urogenital sinus, which receives the bladder together with the urinary and genital ducts. A cavity lined with endoderm at the posterior end of the body that serves as a common…

  • Clinician

    A doctor, usually not a surgeon, who has considerable experience in treating patients. An person who uses a recognized scientific knowledge base and has the authority to direct the provision of personal health services to patients. An Institute of Medicine Report (lOM) recommends the use of the term clinician as defined here over the term…

  • Clinical thermometer

    A thermometer used in a hospital or by a doctor for measuring a person’s body temperature. Measurement of the temperature of warm-blooded organisms, especially humans. The oral temperature of the healthy human body ranges between 96.6° and 100°F (35.9° and 37.8°C). During a 24-hr period, a person’s body temperature may vary from 0.5° to 2.0°F…